Dermaroller for beard – does it work for beard growth?

Dermarollers for beards have become a popular option for people who want a fuller or more even beard. The method is based on the same principle as microneedling: very small needles are passed over the skin and create controlled microscopic punctures.

But does a dermaroller really work for beard growth? The short answer is that there is interesting research on microneedling and hair growth on the scalp, but considerably less research specifically on beards. That is why it is important to distinguish between what has actually been shown and what is still a theory.

Does a dermaroller work for beard growth?

At present, there is not enough clinical research to say with certainty that a dermaroller increases beard growth.

The existing research on microneedling and hair growth has mainly been conducted on people with hair loss on the scalp. Several studies have shown promising results when microneedling has been combined with other treatments, while research on dermarollers as the sole treatment is much more limited.

That does not mean that dermarollers have no effect on the skin. Microneedling triggers a controlled healing response and affects processes in the skin that are linked, among other things, to tissue repair. However, it is not yet known whether this alone is enough to create a clear increase in beard growth in humans.

What is a dermaroller?

A dermaroller is a manual microneedling tool in which a cylinder with small needles is rolled over the skin. Unlike an electric microneedling pen, the needles are moved over the skin by rolling the device manually.

Dermarollers are available in different needle lengths and can be used on different areas depending on the product and intended use.

If you want to read more about the tool itself, you can read our guide on what a dermaroller is good for.

Why are dermarollers used for beards?

Interest in dermarollers for beard growth comes largely from research on microneedling and hair growth on the scalp.

One possible explanation is that the controlled stimulation of the skin affects signals and processes around the hair follicles. Microneedling has also been studied together with hair loss treatments, especially minoxidil.

The problem is that the scalp and the beard area are not the same thing. Beard hair is strongly influenced, among other things, by genetics and androgen hormones, and results from scalp studies therefore cannot automatically be transferred to beard growth.

What does the research say?

The research is considerably stronger for microneedling in scalp hair loss than for beard growth.

A systematic review and meta-analysis published in 2025 included 12 randomized studies with a total of 631 people with androgenetic hair loss. The combination of microneedling and minoxidil produced better average results for hair count than minoxidil alone.

A separate review from 2026 examined dermarollers specifically as a method for hair growth. Only three studies met the researchers' criteria. The results varied between the studies, and the researchers concluded that the evidence for dermarollers as a standalone treatment is still limited.

Importantly, these studies mainly concern hair growth on the scalp – not beards.

There is therefore currently no scientific basis that makes it possible to promise that a dermaroller will make a patchy beard denser.

Can a dermaroller create new hair follicles?

There is no good support for the idea that a dermaroller can create entirely new hair follicles in areas where there are no functioning hair follicles to begin with.

Beard density is largely determined by genetics, hormones, age, and how the hair follicles in the area have developed. Microneedling should therefore not be seen as a way to guarantee beard growth where hair follicles are missing.

Dermarollers for beards compared with the scalp

It is easy to assume that a method studied for hair loss also works on the beard, but the biology differs between different types of hair.

Beard hair is what is known as androgen-dependent hair. Androgens can stimulate beard growth while the same hormone system in genetically predisposed individuals can contribute to scalp hair loss.

Therefore, the results from studies on androgenetic scalp hair loss should not be interpreted as proof that the same results occur in the beard.

If you want to read more about use on the scalp, we have a separate guide on dermarollers for hair and scalp.

What needle length should you use for a beard?

There is no scientifically established needle length that has been shown to be optimal for beard growth.

It is therefore wise to be skeptical of claims that, for example, a certain needle length would be the “best” for making a beard grow.

Longer needles do not automatically mean better results and at the same time have a greater impact on the skin. For home use, you should always follow the instructions for the specific product and choose a needle depth that is adapted to the treatment area and your experience level.

For a more general overview, you can read our guide to needle depth for microneedling.

How do you use a dermaroller in the beard area?

Hygiene and careful use are more important than trying to treat the skin as intensively as possible.

• Clean the skin before use.
• Use a cleaned and disinfected dermaroller.
• Roll gently without pressing hard against the skin.
• Avoid active pimples, open wounds, infected skin, or clearly irritated skin.
• Allow the skin to recover properly between treatments.
• Never share your dermaroller with anyone else.

A dermaroller should not be used as if the goal were to make the skin bleed. More irritation does not automatically mean better results.

How often can you use a dermaroller on the beard?

How often a dermaroller can be used depends, among other things, on needle length, skin sensitivity, and how quickly the skin recovers.

A more superficial treatment can normally mean shorter recovery time than a deeper treatment. The skin should have returned to its normal condition before it is treated again.

Avoid therefore following a fixed schedule from social media without taking needle length and skin reaction into account.

Please read our more detailed guide on how often to use a dermaroller.

Can you use serum together with a dermaroller in the beard?

Be careful about which products are applied to the skin in direct connection with microneedling.

The fact that a product is safe to use on normal, intact skin does not automatically mean that it is suitable to apply when the skin barrier has been temporarily affected by needles.

Therefore, avoid strong, irritating, or unknown products directly after treatment and follow the instructions for the product you are using.

Dermarollers and minoxidil for beards

A large part of the research on microneedling and hair growth has investigated microneedling together with minoxidil for scalp hair loss.

That does not automatically mean that the same combination should be used in the beard area. Minoxidil is a medication, and studies on the scalp should not be directly translated into self-treatment of the beard.

If you use or are considering medication for hair or beard growth, its use should be discussed with a doctor or other qualified healthcare professional, especially before the medication is combined with microneedling.

When should you avoid using a dermaroller in the beard area?

Avoid using a dermaroller over areas with, for example:

• active or inflamed acne
• skin infection
• open wounds
• severe irritation or inflammation
• active eczema or another ongoing skin condition in the area

If you have a skin condition, recurring skin problems, or use medication that affects bleeding or healing, you should consult healthcare services before microneedling.

How do you clean a dermaroller?

Since the needles come into contact with the skin, good hygiene is important. The roller should be cleaned according to the product instructions both before and after use and stored so that the needles are kept clean and protected.

A dermaroller is a personal product and should not be shared between multiple people.

See our guide on how to sterilize a dermaroller correctly for more information.

So – does a dermaroller work for beards?

Dermarollers for beards are a popular method, but the scientific evidence is still limited.

Research shows that microneedling may be of interest for certain types of scalp hair loss, especially as part of combination treatments. However, there is not enough research specifically on beards to say that a dermaroller definitely leads to increased beard density or new beard hairs.

If you want to try a dermaroller, the focus should therefore be on correct use, hygiene, and realistic expectations rather than promises of rapid beard growth.

At Drpen you will find dermarollers for microneedling with different features and needle lengths. Always follow the instructions for the specific product.

Frequently asked questions about dermarollers for beards

Does a dermaroller work for beard growth?

There is not enough research specifically on beards to say with certainty that a dermaroller increases beard growth. Studies on microneedling and hair growth mainly concern the scalp.

Can a dermaroller create new hair follicles in the beard?

There is no good scientific support for the idea that a dermaroller creates entirely new hair follicles in areas where functioning hair follicles are absent.

What needle length is best for a beard?

There is no scientifically established needle length that has been shown to be best for beard growth. Follow the instructions for your dermaroller and base your choice on the treatment area, your experience level, and how the skin reacts.

How often should you use a dermaroller on the beard?

It depends on the needle length and how the skin recovers. The skin should have returned to its normal state before the next treatment, and deeper treatment normally means longer recovery.

Can you use minoxidil together with a dermaroller for beard growth?

There is research on the combination of microneedling and minoxidil for hair loss on the scalp, but the results cannot be directly transferred to beards. Minoxidil is a medication, and the combination should be discussed with qualified healthcare professionals.

Can a dermaroller give you a thicker beard?

It is possible that microneedling affects the environment around existing hair follicles, but there are not enough clinical studies to promise that a dermaroller makes the beard denser or thicker.